jenway 6850 Operating Manual

Also see for 6850: Operating manual

Contents

jenway 6850 Operating Manual Manual pdf 25 page image

255.3.2 Calibrating to a StandardA calibration standard can be used to determine theconcentration factor. Insert the cuvette containing theblank solution into the reference position in the samplechamber and insert the cuvette containing the standardsolution into the sample position. Close the instrumentlid. The concentration of the calibration standard isentered by pressing the function button below theStandard option. The concentration of the calibrationstandard can then be entered using the numericalkeypad. Press the Enter key to confirm. The concentration factor is then updated on the screen.5.4 SAMPLE MEASUREMENT5.4.1 Photometric MeasurementsInsert the cuvette containing the blank solution into thereference position in the sample chamber and insertthe cuvette containing the sample solution into thesample position. Close the instrument lid and thephotometric result will be shown on the screen.5.4.2 Measuring a Sample after Entering a Concentration FactorRemove the cuvette containing the blank solution andplace a cuvette containing the sample to be measuredin the sample chamber. Close the instrument lid andthe concentration value will be shown on the screen.In order to measure a sample based on a known factor the value for the factor must be entered in thesettings before commencing measurement of the sample.